Cranborne THI 10-50c, Installation, Commissioning And Servicing Instructions

Page: 19 / 66

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OPERATION
The characteristics of the living area (heating surfa-
ce, insulation) may require the pre-set values on the
LMU to be adjusted.
- For a radiator heating system:
• Reset the room temperature by +/-3°C (section
4.2.2 - page 19) then if this correction is not
sufficient,
• Modify the heating curve slope (section 4.2.3.1
- page 20).
- For an under-floor heating system:
• Reset the value of the heating curve slope of
15 (factory setting) to 8 (section 4.2.3.1 - page
20) and according to the installation require-
ments,
• Modify the room temperature by +/-3°C (sec-
tion 4.2.2 - page 19).
4.2.3.1 - Procedure for modifying the parameters of the heating curve slope
1
Initial display: Green LED “°C” is on
The display shows the heating flow temperature.
2
Press the key until is displayed then release it and press for the same period until is
displayed (the display indicates then : intermediate positions).
3
After a few moments, is displayed.
4
Press on the key twice until is displayed on the screen.
5
setting of the slope permutes with the default value of the slope.
6
Only when the display shows press the key until the “bar” LED flashes:
7
Increase the value by pressing until the value is displayed.
8
Store the value by pressing the key for a certain time until the LEDS “°C” and “bar”
extinguish
9 Return to the initial display
bar
Info
°C
INFO
-2
2
Info
Info
Info
bar
Info
°C
IN
FO-
15c
Info
Info
bar
Info
°C
IN
F
O
-8